7030 CD/P4ATBTB
7000 Series Super Precision Angular Contact Ball Bearings
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7030 CD/P4ATBTB Bearing Product Overview & Core Advantages
The 7030 CD/P4ATBTB is a precision angular contact ball bearing designed for applications demanding exceptional rigidity and accuracy. This triplex back-to-back (TBT) matched set provides superior stability under combined loads and high-speed operation. Manufactured to P4A tolerance class, it ensures minimal runout and precise rotational performance, making it ideal for high-reliability machinery where uncompromising precision is required.
7030 CD/P4ATBTB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7030 | Basic bearing designation with 150 mm bore and 225 mm outside diameter |
| CD | Universal matching designation for optimized preload and performance in sets |
| P4A | High precision tolerance class with enhanced dimensional and running accuracy |
| TBT | Triplex Back-to-Back arrangement of three bearings for maximum rigidity |
7030 CD/P4ATBTB Bearing Structural Features & Performance Benefits
Enhanced Rigidity: The triplex back-to-back configuration creates an exceptionally stiff bearing system that minimizes deflection under heavy loads and moments, providing stable rotational characteristics even in demanding conditions.
Superior Load Capacity: With a 15° contact angle and optimized internal geometry, this bearing efficiently handles combined radial and axial loads in both directions, making it suitable for complex loading scenarios.
High-Speed Capability: The phenolic cage material ensures smooth operation at the limiting speed of 11,000 rpm, while the precision-ground chrome steel components minimize friction and heat generation.
Precision Performance: Manufactured to P4A tolerance standards with tight dimensional control (bore and OD tolerance: -0.004mm to 0), this bearing delivers exceptional running accuracy and minimal vibration for precision applications.
7030 CD/P4ATBTB Bearing Typical Application Areas
- Machine tool spindles for high-precision machining centers
- High-speed machining equipment requiring superior rigidity
- Precision grinding spindles in industrial manufacturing
- Aerospace positioning systems demanding high accuracy
- Robotic arm joints requiring precise motion control
- Medical equipment spindles for diagnostic and surgical devices
